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世卫:德尔塔毒株传染性最强 已致多国疫情反弹-国内频道-内蒙古新闻网

世卫:德尔塔毒株传染性最强 已致多国疫情反弹-国内频道-内蒙古新闻网
nmgnews.com.cn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nmgnews.com.cn Daily Mail and Mail on Sunday newspapers.

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世卫:德尔塔毒株传染性最强 已致多国疫情反弹-中新网辽宁频道

世卫:德尔塔毒株传染性最强 已致多国疫情反弹-中新网辽宁频道
chinanews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chinanews.com Daily Mail and Mail on Sunday newspapers.

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世卫:德尔塔毒株传染性最强 已致多国疫情反弹_腾讯新闻

世卫:德尔塔毒株传染性最强 已致多国疫情反弹_腾讯新闻
qq.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from qq.com Daily Mail and Mail on Sunday newspapers.

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世卫:德尔塔毒株传染性最强 已致多国疫情反弹-中新网

  据新加坡联合早报网报道,多项研究显示,完成接种两剂疫苗才可能有效预防德尔塔毒株。专家认为,现在必须至少80%人口接种疫苗才能形成群体免疫,加上全球疫苗供应不足,要实现这个更高要求存在一定困难。 【编辑:孔庆玲】

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